000 00489nam a2200217Ia 4500
008 210210b1994 xxu||||| |||| 00| 0 eng d
082 _a500 WORL
100 _a-
245 _aWorld of science. 24V.V1-the human factor.
260 _aN D
_bS. Chand & Co. Ltd.
_c1994
300 _a124,iv
440 _a1
650 _aWorld
650 _ascience.
650 _aof
650 _ahuman
650 _afactor.
650 _a24V.V1-the
690 _aPure Sciences
906 _a049032
999 _c98016
_d98016